Re: Cracked wing image

From: Jim Scotti (jscotti@jupiter.lpl.Arizona.EDU)
Date: Tue Feb 04 2003 - 11:59:12 EST

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    I was looking at the images from STS-107 on the Human Spaceflight webpage
    today and the only images of the wings in the available images are found on
    Flight Day 7 and here is a link to the best of them:
    
    http://spaceflight.nasa.gov/gallery/images/shuttle/sts-107/html/s107e05359.html
    
    This image looks nothing like the video image which supposedly shows a crack
    in the wing.  The Carbon-Carbon leading edge of the left wing is clearly
    visible, though the inner portion is obscured by the cargo bay doors and
    radiators.  I don't know that there is another viewpoint from inside the
    orbiter that would show the wing any better.  There is some discoloration,
    light in color on the leading edge, darker on the white tiles behind the row
    of black tiles behind the carbon-carbon leading edge.  Although you can't see
    the white tiles well on the starboard wing, there is similar looking light
    colored discoloration on the carbon-carbon leading edge of that wing.  I
    certainly don't see any obvious sign of damage in that image.
    
    Jim.
    
    On Tue, 4 Feb 2003, Daniel Deak wrote:
    
    > Hi all,
    > 
    > 
    > I could go through tens of hours of NASA TV videotape recording from past 
    > shuttle missions I have at home, but this picture looks familiar to me. You can 
    > see such images when the A or D cameras in the payload bay (the ones just aft of 
    > the cockpit bulkhead) go to their travel limit near the cockpit. To me, the 
    > black thing protruding from the cockpit wall is a latch used for payload bay 
    > doors. The curvature of the Earth is due to the camera being at maximum zoom 
    > out. NOTHING in this image looks like part of a wing. The payload bay cameras 
    > are blocked by the bay doors from seeing the wings.
    > 
    > If I have time tonight I will look for a similar image on my videotape. Hope it 
    > will be of better quality.
    > 
    > Only a Canadarm would have been useful for getting pictures of the wing, but 
    > there was none installed on that mission. Image quality is great with the arm 
    > cameras. They already used the arm for checking the vent port when making a 
    > water dump. This port is on the left side of the shuttle and the arm was able to 
    > position itself in a very favorable angle.
    > 
    > Dan
    > 
    > 
    > 
    > -- 
    > Daniel Deak
    > representant, projet spatial Starshine
    > L'Avenir, Quebec
    > 
    > COSPAR site 1747 : 45.7275N, 72.3526W, 191 m., UTC-5:00
    > 
    > Site en francais sur les satellites:
    > French-language satellite web site : http://www.obsat.com
    > 
    > 
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    Jim Scotti
    Lunar & Planetary Laboratory
    University of Arizona
    Tucson, AZ 85721 USA                 http://www.lpl.arizona.edu/~jscotti/    
    
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